Add vera rules to check consecutive and trailing empty lines (#3540)

JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai@inf.u-szeged.hu

Author: dbatyai

jerry-core/api/jerry-snapshot.c

@@ -1758,7 +1758,6 @@ jerry_get_literals_from_snapshot (const uint32_t *snapshot_p, /**< input snapsho
 #endif /* ENABLED (JERRY_SNAPSHOT_SAVE) */
 } /* jerry_get_literals_from_snapshot */
 
-
 /**
  * Generate snapshot function from specified source and arguments
  *

jerry-core/api/jerry.c

@@ -2885,7 +2885,6 @@ jerry_objects_foreach_by_native_info (const jerry_object_native_info_t *native_i
 
   ecma_native_pointer_t *native_pointer_p;
 
-
   jmem_cpointer_t iter_cp = JERRY_CONTEXT (ecma_gc_objects_cp);
 
   while (iter_cp != JMEM_CP_NULL)

jerry-core/config.h

@@ -455,7 +455,6 @@
 # define JERRY_ATTR_GLOBAL_HEAP
 #endif /* !defined (JERRY_ATTR_GLOBAL_HEAP) */
 
-
 /**
  * Sanity check for macros to see if the values are 0 or 1
  *
@@ -653,7 +652,6 @@
 # error "Invalid value for 'JERRY_VM_EXEC_STOP' macro."
 #endif
 
-
 #define ENABLED(FEATURE) ((FEATURE) == 1)
 #define DISABLED(FEATURE) ((FEATURE) != 1)
 

jerry-core/debugger/debugger.c

@@ -1150,7 +1150,6 @@ jerry_debugger_receive (jerry_debugger_uint8_data_t **message_data_p) /**< [out]
   }
 } /* jerry_debugger_receive */
 
-
 #undef JERRY_DEBUGGER_CHECK_PACKET_SIZE
 
 /**
@@ -1214,7 +1213,6 @@ jerry_debugger_send_type (jerry_debugger_header_type_t type) /**< message type *
   jerry_debugger_send (sizeof (jerry_debugger_send_type_t));
 } /* jerry_debugger_send_type */
 
-
 /**
  * Send the type signal to the client.
  *

jerry-core/ecma/base/ecma-helpers-string.c

@@ -676,7 +676,6 @@ ecma_append_chars_to_string (ecma_string_t *string1_p, /**< base ecma-string */
                                                    cesu8_string2_p,
                                                    cesu8_string2_size);
 
-
   if (magic_string_id != LIT_MAGIC_STRING__COUNT)
   {
     ecma_deref_ecma_string (string1_p);

jerry-core/ecma/base/ecma-module.c

@@ -79,7 +79,6 @@ ecma_module_create_normalized_path (const uint8_t *char_p, /**< module specifier
                                                       ECMA_MODULE_MAX_PATH,
                                                       (char *) module_path_p);
 
-
   if (normalized_size > 0)
   {
     /* Convert the normalized path to cesu8. */

jerry-core/ecma/base/ecma-property-hashmap.c

@@ -245,7 +245,6 @@ ecma_property_hashmap_insert (ecma_object_t *object_p, /**< object */
   uint32_t mask = hashmap_p->max_property_count - 1;
   entry_index &= mask;
 
-
 #ifndef JERRY_NDEBUG
   /* See the comment for this variable in ecma_property_hashmap_create. */
   uint32_t start_entry_index = entry_index;

jerry-core/ecma/base/ecma-property-hashmap.h

@@ -72,7 +72,6 @@ void ecma_property_hashmap_insert (ecma_object_t *object_p, ecma_string_t *name_
 ecma_property_hashmap_delete_status ecma_property_hashmap_delete (ecma_object_t *object_p, jmem_cpointer_t name_cp,
                                                                   ecma_property_t *property_p);
 
-
 ecma_property_t *ecma_property_hashmap_find (ecma_property_hashmap_t *hashmap_p, ecma_string_t *name_p,
                                              jmem_cpointer_t *property_real_name_cp);
 #endif /* ENABLED (JERRY_PROPRETY_HASHMAP) */

jerry-core/ecma/builtin-objects/ecma-builtin-array-prototype-unscopables.inc.h

@@ -19,7 +19,6 @@
 
 #include "ecma-builtin-helpers-macro-defines.inc.h"
 
-
 #if ENABLED (JERRY_ES2015)
 
 SIMPLE_VALUE (LIT_MAGIC_STRING_COPY_WITHIN,

jerry-core/ecma/builtin-objects/ecma-builtin-array-prototype.c

@@ -1292,7 +1292,6 @@ ecma_builtin_array_prototype_object_splice (const ecma_value_t args[], /**< argu
       return get_value;
     }
 
-
     if (ecma_is_value_found (get_value))
     {
       /* 9.c.ii */
@@ -1944,7 +1943,6 @@ ecma_builtin_array_prototype_object_map (ecma_value_t arg1, /**< callbackfn */
                                                                      mapped_value,
                                                                      ECMA_PROPERTY_CONFIGURABLE_ENUMERABLE_WRITABLE);
 
-
       ecma_free_value (mapped_value);
       ecma_free_value (current_value);
 #if ENABLED (JERRY_ES2015)